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Refine error handling in get_evolution_status#402

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RainRat wants to merge 1 commit intomainfrom
fix-error-handling-noise-get-status-4394312375249007589
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Refine error handling in get_evolution_status#402
RainRat wants to merge 1 commit intomainfrom
fix-error-handling-noise-get-status-4394312375249007589

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@RainRat RainRat commented Feb 26, 2026

This pull request resolves an instance of "Error Handling Noise" in the evolverstage.py module.

What:

The broad except: block in get_evolution_status (used for calculating the average code length of a sample of warriors) has been replaced with specific exception handling for OSError and UnicodeDecodeError.

Why:

Bare except: blocks are considered poor practice in Python because they catch all exceptions, including those that should typically be allowed to propagate, such as KeyboardInterrupt (Ctrl+C) and SystemExit. This can lead to unresponsive scripts or difficult-to-debug logic errors. By narrowing the scope to expected file-related issues, we ensure the code remains resilient to missing or corrupted files without masking critical process signals or unrelated bugs.

Verification:

  • All 242 unit tests passed.
  • Verified CLI functionality with python evolverstage.py --status.
  • Manually confirmed that unreadable files are still gracefully skipped as intended.

PR created automatically by Jules for task 4394312375249007589 started by @RainRat

Replaced a bare 'except:' clause with specific 'except (OSError, UnicodeDecodeError):'
in the get_evolution_status function. This prevents the suppression of
critical system exceptions like KeyboardInterrupt and SystemExit while
maintaining robustness against file access or encoding errors during
statistical sampling of warrior files.

Co-authored-by: RainRat <20098977+RainRat@users.noreply.github.com>
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